🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.6

Radius: 11.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.64 AU

Year: 287 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,453,564 km

• M1: 138,079 km (0.09 R)
• M2: 490,083 km (0.078 R)
• M3: 917,484 km (0.11 R)
• M4: 1,420,133 km (0.12 R)
• M5: 2,131,919 km (0.101 R)
• M6: 2,954,857 km (0.082 R)
• M7: 3,342,914 km (0.049 R)
• M8: 3,699,406 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 9.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.68 AU - 1.14 AU

Year: 610 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,453,564 km

• M1: 123,119 km (0.089 R)
• M2: 434,283 km (0.034 R)
• M3: 981,063 km (0.064 R)
• M4: 1,446,312 km (0.079 R)
• M5: 1,826,889 km (0.106 R)
• M6: 2,264,912 km (0.072 R)
• M7: 2,601,956 km (0.108 R)
• M8: 2,972,659 km (0.084 R)
• M9: 3,595,286 km (0.031 R)
• M10: 4,113,941 km (0.113 R)
• M11: 5,284,246 km (0.113 R)
• M12: 6,428,071 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 13.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.75 AU - 1.09 AU

Year: 620 Days

Day: 10.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,453,564 km

• M1: 171,140 km (0.119 R)
• M2: 631,004 km (0.107 R)
• M3: 1,108,819 km (0.104 R)
• M4: 1,602,792 km (0.079 R)
• M5: 2,069,836 km (0.064 R)
• M6: 2,660,748 km (0.106 R)
• M7: 3,452,569 km (0.093 R)
• M8: 4,011,467 km (0.062 R)
• M9: 4,758,409 km (0.097 R)
• M10: 5,946,964 km (0.064 R)
• M11: 6,774,689 km (0.104 R)
• M12: 7,216,751 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 8.6

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.83 AU - 1.31 AU

Year: 778 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,453,564 km

• M1: 107,112 km (0.035 R)
• M2: 438,621 km (0.084 R)
• M3: 859,739 km (0.055 R)
• M4: 1,269,039 km (0.095 R)
• M5: 1,672,205 km (0.045 R)
• M6: 2,159,146 km (0.103 R)
• M7: 2,715,201 km (0.116 R)
• M8: 3,272,453 km (0.108 R)
• M9: 4,326,520 km (0.056 R)
• M10: 4,796,108 km (0.104 R)
• M11: 5,104,429 km (0.102 R)
• M12: 5,704,167 km (0.083 R)
• M13: 6,070,382 km (0.076 R)
• M14: 6,452,306 km (0.114 R)
• M15: 6,786,208 km (0.108 R)
• M16: 7,219,743 km (0.064 R)
• M17: 7,717,904 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 8.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.94 AU - 3.14 AU

Year: 2846 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,453,564 km

• M1: 102,026 km (0.102 R)
• M2: 360,680 km (0.107 R)
• M3: 667,954 km (0.103 R)
• M4: 978,520 km (0.066 R)
• M5: 1,368,821 km (0.098 R)
• M6: 1,818,961 km (0.072 R)
• M7: 2,090,780 km (0.072 R)
• M8: 2,402,392 km (0.069 R)
• M9: 2,971,762 km (0.116 R)
• M10: 3,815,194 km (0.115 R)
• M11: 5,827,435 km (0.068 R)
• M12: 6,156,850 km (0.089 R)
• M13: 6,648,877 km (0.072 R)
• M14: 7,113,828 km (0.098 R)
• M15: 7,600,320 km (0.082 R)
• M16: 7,993,912 km (0.099 R)
• M17: 8,254,063 km (0.09 R)
• M18: 8,579,737 km (0.079 R)
• M19: 9,576,208 km (0.111 R)
• M20: 13,428,802 km (0.081 R)
• M21: 13,921,279 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 11.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.08 AU - 3.16 AU

Year: 3874 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,453,564 km

• M1: 143,016 km (0.096 R)
• M2: 519,254 km (0.029 R)
• M3: 925,861 km (0.069 R)
• M4: 1,767,648 km (0.106 R)
• M5: 2,943,637 km (0.109 R)
• M6: 3,720,349 km (0.108 R)
• M7: 4,722,655 km (0.058 R)
• M8: 5,261,956 km (0.103 R)
• M9: 5,626,226 km (0.09 R)
• M10: 7,319,375 km (0.106 R)
• M11: 8,077,088 km (0.089 R)
• M12: 9,180,223 km (0.099 R)
• M13: 10,022,160 km (0.108 R)
• M14: 10,502,668 km (0.071 R)
• M15: 13,961,221 km (0.075 R)
• M16: 15,126,290 km (0.104 R)
• M17: 15,493,403 km (0.086 R)
• M18: 15,920,355 km (0.073 R)
• M19: 16,464,891 km (0.112 R)
• M20: 18,708,560 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 11.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.38 AU - 4.62 AU

Year: 6710 Days

Day: 8.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,453,564 km

• M1: 144,661 km (0.096 R)
• M2: 646,263 km (0.075 R)
• M3: 1,215,483 km (0.117 R)
• M4: 1,881,044 km (0.079 R)
• M5: 2,265,061 km (0.052 R)
• M6: 2,951,267 km (0.115 R)
• M7: 3,430,878 km (0.085 R)
• M8: 3,818,635 km (0.037 R)
• M9: 4,210,133 km (0.107 R)
• M10: 4,737,615 km (0.031 R)
• M11: 5,488,895 km (0.116 R)
• M12: 6,385,136 km (0.099 R)
• M13: 11,611,488 km (0.11 R)
• M14: 12,333,447 km (0.115 R)
• M15: 13,753,131 km (0.097 R)
• M16: 14,502,616 km (0.081 R)
• M17: 15,523,621 km (0.076 R)
• M18: 16,020,286 km (0.089 R)
• M19: 16,720,704 km (0.112 R)
• M20: 17,374,895 km (0.076 R)
• M21: 23,644,243 km (0.102 R)
• M22: 27,505,962 km (0.082 R)
• M23: 28,788,315 km (0.103 R)
• M24: 29,823,532 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 12,296 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit